Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.436 5.084/5.866 5.535 ± 0.5043
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.457 5.124/5.948 5.558 ± 0.5282
ea05 1342 1342/1342 1342 ± 0 5.586 5.184/6.153 5.689 ± 0.5722
ea06 1342 1342/1342 1342 ± 0 4.962 4.767/5.336 5.038 ± 0.368
ea07 1342 1342/1342 1342 ± 0 5.726 5.359/6.13 5.848 ± 0.5648
ea08 1342 1342/1342 1342 ± 0 5.816 5.374/6.434 5.91 ± 0.6535
ea09 1342 1342/1342 1342 ± 0 5.639 5.066/6.262 5.665 ± 0.6128
ea10 1342 1342/1342 1342 ± 0 5.674 5.183/6.488 5.796 ± 0.668
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.785 5.336/6.265 5.874 ± 0.6094
ea13 1342 1342/1342 1342 ± 0 5.935 5.564/6.135 5.926 ± 0.4561
ea14 1342 1342/1342 1342 ± 0 5.701 5.19/6.243 5.715 ± 0.6333
ea15 1342 1342/1342 1342 ± 0 5.493 5.026/6.025 5.578 ± 0.6484
ea16 1342 1342/1342 1342 ± 0 6.024 5.478/6.448 6.08 ± 0.7068
ea17 1342 1342/1342 1342 ± 0 5.916 5.547/6.391 6.005 ± 0.6269
ea18 1342 1342/1342 1342 ± 0 5.019 4.764/5.406 5.082 ± 0.4966
ea19 1342 1342/1342 1342 ± 0 5.904 5.492/6.504 6.034 ± 0.6148
ea20 1342 1342/1342 1342 ± 0 6.029 5.672/6.645 6.122 ± 0.6423
ea21 1342 1342/1342 1342 ± 0 5.521 5.265/6.139 5.68 ± 0.5556
ea22 1342 1342/1342 1342 ± 0 5.575 5.039/6.219 5.65 ± 0.6545
ea23 1342 1342/1342 1342 ± 0 5.899 5.431/6.478 5.97 ± 0.6717
ea25 1342 1342/1342 1342 ± 0 5.466 5.18/5.97 5.578 ± 0.564
ea26 1342 1342/1342 1342 ± 0 5.877 5.45/6.507 5.972 ± 0.667
ea27 1342 1342/1342 1342 ± 0.00002272 5.486 5.067/6.297 5.659 ± 0.596
ea28 1342 1342/1342 1342 ± 0 5.507 5.246/6.197 5.675 ± 0.6099
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002441 5.384 5.145/5.538 5.352 ± 0.2472
3 1342 1342/1342 1342 ± 0.000026 5.054 4.886/5.284 5.061 ± 0.244
4 1342 1342/1342 1342 ± 0.00002441 5.121 4.947/5.307 5.12 ± 0.2884
5 1342 1342/1342 1342 ± 0.00002441 5.273 5.053/5.366 5.226 ± 0.2884
6 1342 1342/1342 1342 ± 0.00002489 4.931 4.767/5.028 4.916 ± 0.2269
7 1342 1342/1342 1342 ± 0.00002441 5.297 5.172/5.508 5.3 ± 0.2386
8 1342 1342/1342 1342 ± 0.00002441 5.268 5.058/5.392 5.246 ± 0.2728
9 1342 1342/1342 1342 ± 0.00002441 5.519 5.352/5.813 5.514 ± 0.3038
10 1342 1342/1342 1342 ± 0.00002441 5.931 5.734/6.123 5.914 ± 0.2965
11 1342 1342/1342 1342 ± 0.00002441 6.143 6.057/6.355 6.133 ± 0.3211
12 1342 1342/1342 1342 ± 0.00002441 6.285 6.097/6.51 6.265 ± 0.3452
13 1342 1342/1342 1342 ± 0.00002441 6.667 6.532/6.882 6.668 ± 0.3604
14 1342 1342/1342 1342 ± 0.00002441 6.782 6.667/7.136 6.812 ± 0.3863
15 1342 1342/1342 1342 ± 0.00002441 6.51 6.337/6.68 6.447 ± 0.3624
16 1342 1342/1342 1342 ± 0.00002816 5.848 5.652/6.11 5.843 ± 0.3159
17 1342 1342/1342 1342 ± 0.00002687 5.794 5.676/6.018 5.8 ± 0.3013
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-05-01 06:51:04.787
End
2024-05-01 07:56:08.372
Duration
1:05:03.585
Note, WebLog generation is not included in the time.

CASA logs for stage 7